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JOHN DEANPL. OF C ONNEAUT, O'HIO.

Letters Patent No. 72,613, dated December 24,1861

IMPROVEMENT IN PROCESS OF FUMIGATION I'OB DESTROYING INSECTS ON-HOP-VINES OTHER PLANTS on gtlgtbltlt ttfttttb in in than itttttrs atentamt mating putt of flge stun.

TO ALL WHOM IT MAY CONCERN: 7

Be it known that I, JOHN DEANE, of Conne'aut, in the county ofAshtztbula, and State of Ohio, have invented a new and useful Mode ofDestroying Insects on Hop-Vines, Grape-Vines, and other vegetation; andI do hereby declare that the following is a full, clear, and exactdescription of the some.

My invention is intended chiefly for application to the destruction ofthe small insects, which, feeding upon.

the leaves of hop and grape-vines, so greatly injure them as oftenentirely to destroy them. For this purpose I employ thorough fumigation,by the following composition burned under or in near proximity to thevines: I

I mix the leayes of tobacco with sulphur and hellebore, add a, smallquantity of phosphorus, and incorporate the mixture with coal-tar. Theprecise quantity of each of therespective ingredients is not important,and need not be stated. 7 v i The composition is highly inflammable, andbeing burned, will emit a dense smoke, which will kill-the insectsexposed to its action. By this means I have been able to raise goodcrops of hops in neighborhoods where all other crops were either greatlyinjured or entirely destroyed.

What I claim as my invention, and desire to secure by Letters Patent, is

The mode of destroying insects by fumigation with the smoke evolved byburning a mixture, compounded substantially as set forth, in proximityto hop or grape-vines.

In testimony whereof, I have signed my name to this specification in thepresence of two subscribing witnesses.

JOHN DEANE.

Witnesses CELIA' H. GODDARD, ANNA Kozxsnx, 0.11- Gonmm).

